Birkenstock Boston Oiled Leather Clogs Regular Fit feature a thick oiled nubuck leather upper and an anatomically shaped cork-latex footbed for comfortable, everyday wear. Product image is indicative. Key attributes: Black | Oiled nubuck leather | Durable leather upper | Supportive anatomically shaped footbed | Adjustable strap with silver-toned metal buckle | Anatomically shaped cork-latex footbed | Open-selvage finish | Closed-toe clog silhouette | Dimensions & fit: Regular fit | Composition & care: Oiled nubuck leather | Cork-latex | Metal buckle | Wipe clean with a damp cloth; treat leather with a suitable leather conditioner as needed; do not machine wash.